Weed Control Product Guide

A.M. Leonard’s Weed Control Product Guide brings together all the information you need to prevent, control, and eliminate weed growth from your property. The table below provides active ingredients and product uses. It is a useful tool for choosing the correct weed control product for your specific situation. Continue reading to get started!

In this guide, the experts at A.M. Leonard outline the best products to prevent, control, and eliminate nuisance plants. These products control a wide range of plants, from broadleaf weeds and annual grasses to bushes. The treatments range from pre-emergent to post-emergent and specialty herbicides widely used in the horticulture industry.

We have organized the products below based on their primary use. Many of their labels, however, list them as multi-purpose. Please refer to the manufacturer’s label before buying or using any of these products. Do not use any product beyond specific label recommendations and instructions.

Note: All of the products below control more weeds than stated. Please refer to the manufacturer label for a more detailed list of weeds controlled. Use the information below as a supplement to the information contained on the product label. Before using any product, please read and follow all label instructions. Please find links to product labels and SDS sheets for these products at the end of this guide.

P
Pre and post-emergent herbicides in one application. Delivers the active ingredients through the foliage and moves systematically to the roots, killing the weed. The secondary functions as an
invisible barrier on the soil preventing the development of weeds.

Post Emergent Grass Killer Only: Great for the field as it kills grass but not your plant material. Safe on Taxus, Arborvitae, Hemlock, Picea, Pinus, Barberry, Boxwood, perennials and so much more! Review the label.

Since 1885

Founded in 1885 by Ashbel Merrel Leonard, A.M. Leonard is the leader in
the horticultural tool and supply business with emphasis on doing business
the "old fashioned way". Offering quality products, superior customer service
and a selection of over 10,000 items. A.M. Leonard understands customers
have a choice on where to shop and pledges to continue its tradition of
exceptional products and service. We grow, we innovate, we work hard...just
like you, we do whatever it takes to get the job done!